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Article Reference Two new species of Clytini Mulsant, 1839 from Tibet (Coleoptera Cerambycidae Cerambycinae)
Located in Library / RBINS collections by external author(s)
Article Reference Présence du frelon asiatique Vespa velutina Lepeletier, 1836 en région de Bruxelles-Capitale, bilan de sa progression en Belgique et sa découverte au Grand-Duché de Luxembourg (Hymenoptera, Vespidae)
Located in Library / RBINS Staff Publications 2020
Article Reference Under pressure: the relationship between cranial shape and burrowing force in caecilians (Gymnophiona)
Caecilians are elongate, limbless and annulated amphibians that, with the exception of one aquatic family, all have an at least partly fossorial lifestyle. It has been suggested that caecilian evolution resulted in sturdy and compact skulls with fused bones and tight sutures, as an adaptation to their head-first burrowing habits. However, although their cranial osteology is well described, relationships between form and function remain poorly understood. In the present study, we explored the relationship between cranial shape and in vivo burrowing forces. Using micro-computed tomography (µCT) data, we performed 3D geometric morphometrics to explore whether cranial and mandibular shapes reflected patterns that might be associated with maximal push forces. The results highlight important differences in maximal push forces, with the aquatic Typhlonectes producing a lower force for a given size compared with other species. Despite substantial differences in head morphology across species, no relationship between overall skull shape and push force could be detected. Although a strong phylogenetic signal may partly obscure the results, our conclusions confirm previous studies using biomechanical models and suggest that differences in the degree of fossoriality do not appear to be driving the evolution of head shape.
Located in Library / RBINS Staff Publications 2021
Inproceedings Reference Geochemistry of nummulites as proxy for Eocene climate change in the Southern North Sea Basin
Located in Library / RBINS Staff Publications 2019
Article Reference Mitochondrial phylogeography of a widespread sub-saharan murid rodent Aethomyschrysophilus; the role of geographic barriers and paleoclimate in Zambezian region
Located in Library / RBINS Staff Publications 2017
Article Reference Systematics, taxonomy and faunistics of the Apomecynini of the Oriental and Australian Region (Coleoptera: Cerambycidae: Lamiinae) part 7
Located in Library / RBINS collections by external author(s)
Article Reference Review of the genus Eburodacrys White, 1853 (Coleoptera: Cerambycidae: Cerambycinae)
Located in Library / RBINS collections by external author(s)
Article Reference Taxonomie and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina. W. Horn in a new sense - 19. Odontocheila microptera nom. nov., a new replacement name for O. euryoides W. Horn, 1922, and lectotype designation of O. niti
Located in Library / RBINS collections by external author(s)
Article Reference The European Mesonychid Mammals: Phylogeny, Ecology, Biogeography, and Biochronology
Here we review the fossil record of European mesonychids, which are known only through the genera Dissacus and Pachyaena from Thanetian and Ypresian localities (from MP6 to MP10 reference-levels). We describe two new species, Dissacus rougierae, sp. nov., and Dissacus raslanloubatieri, sp. nov., respectively from Palette (Ypresian, ≈MP7) and from La Borie (Ypresian, ≈MP8 + 9). We also describe new specimens of D. europaeus from Berru (Thanetian, ≈MP6). The evolution of the geographic distribution of the European mesonychids is characterized by three phases: (1) the mesonychid Dissacus appeared in Europe during the Thanetian (≈ 57–58 Mya), probably due to dispersal from North America; D. europaeus survived the PETM event (≈ 56 Mya) and possibly experienced a dwarfism; (2) the large mesonychid Pachyaena migrated into Europe shortly after the Paleocene-Eocene boundary (≈ 55 Mya), but it was restricted to northwestern Europe, while Dissacus is recorded at this time only in southwestern Europe (Palette); and (3) Pachyaena rapidly disappeared from European environments, while Dissacus subsequently dispersed into northwestern Europe (≈ 54–52 Mya). We performed phylogenetic analyses in order to identify the relationships of the new species among mesonychids. It seems that the mesonychids went through two radiative events: the first during the Paleocene, the second mostly during the early Eocene. The first one corresponds to the diversification of Dissacus, while the latter resulted in the appearance of the most specialized mesonychids, such as Pachyaena and Mesonyx.
Located in Library / RBINS Staff Publications 2017
Inproceedings Reference Dating the latest appearance of Neanderthals in Belgium
Belgium represents a key region for studying the Middle to Upper Palaeolithic transition (MUPT) in North-West Europe. This area sits at the crossroads between Palaeolithic cultural facies with influences from eastern, western and southern Europe intermingling during the Late Middle Palaeolithic and the MUPT. Until recently, a temporal gap believed to be around 4ka (ca 42-38 ky calBP) existed between the Late Mousterian and the earliest dated Aurignacian settlements in the region [1, 2]. The dates obtained on Neanderthal remains from Spy fell into this gap, making them the latest Neanderthals in the region [3]. Including the dates from Spy, a gap of two millennia remained between the dates on Neanderthals and the beginning of the Aurignacian. Based on this chronological evidence, the transition from Neanderthals to Anatomically Modern Humans (AMH) in this region was believed to have been without contact between species. AMH would have settled in an area Neanderthals abandoned long before. As part of the PalaeoChron project, we have redated the Neanderthal specimens from Spy (tooth, maxilla and scapula), Engis 2 (skull and tooth) and Fond-de-Forêt (femur), using the compound specific radiocarbon dating method in place at the Oxford Radiocarbon Accelerator Unit. This method is based on the extraction of the amino acid hydroxyproline that occurs in mammalian collagen using preparative liquid chromatography. This method is more efficient than others in eliminating modern carbon contamination such as conservation materials. In this presentation, we report the new radiocarbon dates obtained on the Belgian Neanderthal specimens. These results show how much impact sample preparation can have on the AMS measurement when specimens have been heavily preserved with conservation materials, which is often the case for human remains. These results also now place the Belgian Neanderthal remains from Spy, Engis and Fond-de-Forêt in their proper chronometric context and allow us to refine our understanding of the disappearance of Neanderthals in north-western Europe and integrate this with other evidence for the human occupation of this region during the Palaeolithic.
Located in Library / RBINS Staff Publications 2019